Concrete construction.



G. F.' LANCASTER.

CONCRETE CONSTRUCTION.

APPLICATION FILED MAY 9, 1908.

92(7), 1 60. Patented May 4, 1909.

2 SHEETS-SHEET 1.

, wmv-W www f HumHmmmmhl G. E. LANCASTER. CONCRETE CONSTRUGTION.

APPLIoATIoN FILED MAY 9, 190B.

920, 1 60. Patented May 4, 1909.

2 SHEETS-SHEET 2.

CHARLES LANCASTER, Ol" PETOSKEY, MICHIGAN.

CONCRETE CONSTRUCTION.

Specification of Letters Patent.

Patented May 4,

Applicatifon filed May 9, 1908. Serial No. 431,844.

T o all whom it 771mg/ conce-rn:

Be it known thatl, CHARLES F. LANCAS- TER, a citizen of the United States, residing at Petoskey, in the county of Emmet and Sta-te of Michigan, have invented certain new and useful Improvements in Concrete Construction, of which the following is a specification.

This invention has for its object a new and useful construction of concrete walls, partitions, sidings, floors, or the like.

,As is well known, in concrete work for building purposes, two methods of procedure have heretofore been in vogue. In one of these, the wall, for instance, is built up in courses of readynnade concrete blocks, and

this method has its draw-backs or disadvantages in that it is expensive for the "eason that the blocks must be handled repeatedly before they are ready to go into the wall,

. they must be laid up by skilled workmen,

and they are laid with soft mortar so that a perfect bed is almost impossible and the joints or union between the blocks are far from perfect, and are not rigid or durable. lnthe other method,heretofore commonly employed, the wall, for example, is built up entirely of soft concrete; but this method has its disadvantages owing to the fact that the molding apparatus is generally experisive and cumbersome, and skilled labor must be employed to do the work, and even then vthe completed wall is defective on account of the failure ofthe workmen to properly line `up the molds as they are filled in with con- `crete, it being practically impossible to reline the work because the concrete sets so quickly after it Ahas been poured into the mold.

It is the primary object ofthis invention to provide a construction of wall embodying the good features of both of these methods hereinbefore mentioned without their incidental defects, and to this end the invention consists essentially in a wall or other structure built partly of ready-made blocks and partly of green, or freshly made blocks `produced in situ the ready-made blocks forming portions of the molds into which the green concrete is to be poured.

Fora full understanding of the invention, reference is to be had to the following description and accompanying drawings, in which:

Figure l is an elevation of a portion of a `view through another form of wall.

tween, l lay upon a suitable foundation or.

footing, a series of ready-made or set concrete blocks l at the desired intervals from each other, and of the required size, shape and facing. Preferably, before these blocks are set, the top surface of the foundation or footing is thoroughly wet and the blocks themselves are thoroughly wet, and dry cement is then sprinkled on the'l wetted surface and the blocks are slid back and forthto obtain a perfect bed, being finally left in exact yposition as t-o line, .plumb and space.

Mold boards 2 of any desired construction,`r the more simple, the better, are then clamped onto the ends of the ready-made blocks 1,l

the surfaces are wet-ted as are-.also the ends of the blocks and are then sprinkled with dry cement as before and the space between the ends of every two blocks is then filled in with newly made concrete exactly level with the top surface of the ready-made blocks 1. Such green concrete is then properly tamped in and becomes as one stone with the readymade blocks l, securing a perfect union at the joints. These newly made blocks, produced as above mentioned;z are designated 3 in the drawings. After anentire course has thus been formed, the next course is produced and so on until the structure has been completed. Preferably, although not necessarily so, the several courses of ready-made and nowly made blocks that are arranged alternately as above described, break joint with each other as clearly illustrated in the drawings.

It is to he understood that my invention is not limited to a single or solid wall. For instance, Fig. 2 illustrates the invention enibodied in a double wall with a dead air space between, and in carrying out the method for this specific use, it is clear that the moti may than that of my invention.

be clamped to a ready-made block 1l forming the front portion of the wall at a course so as to serve as supporting means for the mold in producing in an accurate alinenient and plumb, the newly made blocks 3 in transverse alinement with the block i. By this method, a dead air space 4 may be founed in the wall. ln this particular embodiment of the invention, it is clearthat. a cheaper grade of concrete may be used for the inner portion of the wall, than for the i outer or facing portion.

lt is manifest my invention is capable of numerous modifications for the purpose of beautifying a wall or the like by using differently colored concrete for the :oft blocks than is used foi-'the ready-made as well as by varying, as desired the design of the blocks and the line of juncture between them. One instance of this is illustrated in Fig. 5, which shows a l'rieze of which the reznly-niade sections 5 may be of any desired ornamental design, and thc sections (S and 7 filled in with newly made concrete, or the section may also be formed of ready-made blocks and the section 7 alone of freshlyil made concrete. By such a structure it is clear that the parts 5 will appear as inlaid i work, the cost of which would bc relatively very high if produced by any other method My invention is also not limited to the constructionof walls, partitions, roofs, or sid'- ings, but is also applicable to tile work. An example of this is illustrated in Fig. 4 wherein the blocks lb arcT-aid in longitudinal arrangement and secured to the bed in any desired way, the blocks 3l* being subsequently filled in with freshly made concrete in order to complete the tiling, the blocks in this instance, constituting molds. 'I

[t is clear that any desired bonding wires (not shown) or reinforcing ties of any construction may be employed with. Iny irnproved,4 method, and' that the blocks themselves may be grooved or. otherwise formed i and bed.

to increase the rigidity of the -joints of the complete structure.

From the foregoing description, in connection with the accompanying drawings,v it

will be seen that I have provided a concrete construction, which possesses many advantages trom an economic stand point 1n that the work may be done by unskilled-labor, .as the l ready-made blocks'forrn parts of the mold L and properly line up the newly made blocksto the secure and proper alinernent, plumb Furthermore, the molding apparatus may be very simply and cheaply constructed, and itis easy to understand and easy to handle. Moreover, as it is a well known fact that a wall of this structure should, if possible, be built under cover, or be capable of being quickly covered, in the case of a rain storm, it is clear that my. in- -'vention is possessed of advantages in this Lespect, for the reason thatthe ready-.made blocks serve as hangers for any covering, whereas without the ready-made blocks, some means independent of the wall must be used as supports for the covers.

Having thus described the invention, what is claimed as new is:

The herein described concrete wall construction comprising newly-made concrete blocks with s aces between of a length coextensive wit the length of the blocks, and blocks produced in situ corresponding to the first mentioned blocks and in said spaces, the blocks of one course breakin joint. with the blocks of the other course an the newl made blocks and the ready made bloc s alternating, whereby from the bottom to the top ofthe Wall a monolithic structure is produced between the verticallyext'ending newly-made concrete blocks.

in testimony whereof lraffix Amysignature in presence of two witnesses'. f l

` cinunmfs r. LiNCAsfrER. [1.. 3.] Witnesses:

W. N. Woonson, Fimnnnioic S. STITT. 

